4002434243 has 4 divisors (see below), whose sum is σ = 4002653088. Its totient is φ = 4002215400.

The previous prime is 4002434209. The next prime is 4002434279. The reversal of 4002434243 is 3424342004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4002434243 - 2⁶ = 4002434179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4002334243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79208 + ... + 119493.

It is an arithmetic number, because the mean of its divisors is an integer number (1000663272).

Almost surely, 2^4002434243 is an apocalyptic number.

4002434243 is a deficient number, since it is larger than the sum of its proper divisors (218845).

4002434243 is a wasteful number, since it uses less digits than its factorization.

4002434243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218844.

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 4002434243 is about 63264.7946570603. The cubic root of 4002434243 is about 1587.7229966610.

Adding to 4002434243 its reverse (3424342004), we get a palindrome (7426776247).

The spelling of 4002434243 in words is "four billion, two million, four hundred thirty-four thousand, two hundred forty-three".